Order Echinamoebida Cavalier-Smith, 2004, sensu Smirnov et al, 2011

Diagnosis: Elongate limax-type amoebae, often flattened, with or without spine-like subpseudopodia. In forms lacking spiny subpseudopodia, cells are distinctly elongate, with length/breadth ratio typically >6.

Two families:
Family Echinamoebidae Page, 1975, emend. Cavalier-Smith & Smirnov, 2011
Genera: Echinamoeba, Micriamoeba, Comandonia

Family Vermamoebidae Cavalier-Smith & Smirnov 2011
Genus: Vermamoeba

Key References

• Cavalier‑Smith, T. (2004). “Only six kingdoms of life.” Proceedings of the Royal Society B 271: 1251–1262.
• Smirnov, A. et al. (2011). “Molecular phylogeny and classification of naked lobose amoebae.” Protist 162: 485–510.
• Page, F.C. (1975). An Illustrated Key to Freshwater and Soil Amoebae. Freshwater Biological Association.